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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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contentuptodate· Content· item f22_16_22784

©2013 UpToDate ® Print Email Perianal Crohn's disease Perineum in a woman with Crohn's disease shows a large posterior ulcer (arrow) with anterior edematous fissure (arrowhead). Courtesy of Alain Bitton, MD, FRCPC.